"Yes," Zuckerberg replied. "For me it's not really about fun
though, it's about the mission. We go through these waves. And
there are times when people think everything we do in the world
is awesome...and then there are times when people are really
pessimistic.

"I would rather be in the cycle when people underestimate us,
because I would rather be underestimated," he said. "Then we can
really excite and amaze people."